1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 // Copyright (c) 2021-2021 Hisilicon Limited. 3 4 #ifndef __HCLGE_COMM_RSS_H 5 #define __HCLGE_COMM_RSS_H 6 #include <linux/types.h> 7 8 #include "hnae3.h" 9 #include "hclge_comm_cmd.h" 10 11 #define HCLGE_COMM_RSS_HASH_ALGO_TOEPLITZ 0 12 #define HCLGE_COMM_RSS_HASH_ALGO_SIMPLE 1 13 #define HCLGE_COMM_RSS_HASH_ALGO_SYMMETRIC 2 14 15 #define HCLGE_COMM_RSS_INPUT_TUPLE_OTHER GENMASK(3, 0) 16 #define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP GENMASK(4, 0) 17 18 #define HCLGE_COMM_D_PORT_BIT BIT(0) 19 #define HCLGE_COMM_S_PORT_BIT BIT(1) 20 #define HCLGE_COMM_D_IP_BIT BIT(2) 21 #define HCLGE_COMM_S_IP_BIT BIT(3) 22 #define HCLGE_COMM_V_TAG_BIT BIT(4) 23 #define HCLGE_COMM_RSS_INPUT_TUPLE_SCTP_NO_PORT \ 24 (HCLGE_COMM_D_IP_BIT | HCLGE_COMM_S_IP_BIT | HCLGE_COMM_V_TAG_BIT) 25 #define HCLGE_COMM_MAX_TC_NUM 8 26 27 #define HCLGE_COMM_RSS_TC_OFFSET_S 0 28 #define HCLGE_COMM_RSS_TC_OFFSET_M GENMASK(10, 0) 29 #define HCLGE_COMM_RSS_TC_SIZE_MSB_B 11 30 #define HCLGE_COMM_RSS_TC_SIZE_S 12 31 #define HCLGE_COMM_RSS_TC_SIZE_M GENMASK(14, 12) 32 #define HCLGE_COMM_RSS_TC_VALID_B 15 33 #define HCLGE_COMM_RSS_TC_SIZE_MSB_OFFSET 3 34 35 struct hclge_comm_rss_tuple_cfg { 36 u8 ipv4_tcp_en; 37 u8 ipv4_udp_en; 38 u8 ipv4_sctp_en; 39 u8 ipv4_fragment_en; 40 u8 ipv6_tcp_en; 41 u8 ipv6_udp_en; 42 u8 ipv6_sctp_en; 43 u8 ipv6_fragment_en; 44 }; 45 46 #define HCLGE_COMM_RSS_KEY_SIZE 40 47 #define HCLGE_COMM_RSS_CFG_TBL_SIZE 16 48 #define HCLGE_COMM_RSS_CFG_TBL_BW_H 2U 49 #define HCLGE_COMM_RSS_CFG_TBL_BW_L 8U 50 #define HCLGE_COMM_RSS_CFG_TBL_SIZE_H 4 51 #define HCLGE_COMM_RSS_SET_BITMAP_MSK GENMASK(15, 0) 52 #define HCLGE_COMM_RSS_HASH_ALGO_MASK GENMASK(3, 0) 53 #define HCLGE_COMM_RSS_HASH_KEY_OFFSET_B 4 54 55 #define HCLGE_COMM_RSS_HASH_KEY_NUM 16 56 struct hclge_comm_rss_config_cmd { 57 u8 hash_config; 58 u8 rsv[7]; 59 u8 hash_key[HCLGE_COMM_RSS_HASH_KEY_NUM]; 60 }; 61 62 struct hclge_comm_rss_cfg { 63 u8 rss_hash_key[HCLGE_COMM_RSS_KEY_SIZE]; /* user configured hash keys */ 64 65 /* shadow table */ 66 u16 *rss_indirection_tbl; 67 u32 rss_algo; 68 69 struct hclge_comm_rss_tuple_cfg rss_tuple_sets; 70 u32 rss_size; 71 }; 72 73 struct hclge_comm_rss_input_tuple_cmd { 74 u8 ipv4_tcp_en; 75 u8 ipv4_udp_en; 76 u8 ipv4_sctp_en; 77 u8 ipv4_fragment_en; 78 u8 ipv6_tcp_en; 79 u8 ipv6_udp_en; 80 u8 ipv6_sctp_en; 81 u8 ipv6_fragment_en; 82 u8 rsv[16]; 83 }; 84 85 struct hclge_comm_rss_ind_tbl_cmd { 86 __le16 start_table_index; 87 __le16 rss_set_bitmap; 88 u8 rss_qid_h[HCLGE_COMM_RSS_CFG_TBL_SIZE_H]; 89 u8 rss_qid_l[HCLGE_COMM_RSS_CFG_TBL_SIZE]; 90 }; 91 92 struct hclge_comm_rss_tc_mode_cmd { 93 __le16 rss_tc_mode[HCLGE_COMM_MAX_TC_NUM]; 94 u8 rsv[8]; 95 }; 96 97 u32 hclge_comm_get_rss_key_size(struct hnae3_handle *handle); 98 void hclge_comm_rss_indir_init_cfg(struct hnae3_ae_dev *ae_dev, 99 struct hclge_comm_rss_cfg *rss_cfg); 100 int hclge_comm_get_rss_tuple(struct hclge_comm_rss_cfg *rss_cfg, int flow_type, 101 u8 *tuple_sets); 102 int hclge_comm_parse_rss_hfunc(struct hclge_comm_rss_cfg *rss_cfg, 103 const u8 hfunc, u8 *hash_algo); 104 void hclge_comm_get_rss_hash_info(struct hclge_comm_rss_cfg *rss_cfg, u8 *key, 105 u8 *hfunc); 106 void hclge_comm_get_rss_indir_tbl(struct hclge_comm_rss_cfg *rss_cfg, 107 u32 *indir, u16 rss_ind_tbl_size); 108 int hclge_comm_set_rss_algo_key(struct hclge_comm_hw *hw, const u8 hfunc, 109 const u8 *key); 110 int hclge_comm_init_rss_tuple_cmd(struct hclge_comm_rss_cfg *rss_cfg, 111 struct ethtool_rxnfc *nfc, 112 struct hnae3_ae_dev *ae_dev, 113 struct hclge_comm_rss_input_tuple_cmd *req); 114 u64 hclge_comm_convert_rss_tuple(u8 tuple_sets); 115 int hclge_comm_set_rss_input_tuple(struct hclge_comm_hw *hw, 116 struct hclge_comm_rss_cfg *rss_cfg); 117 int hclge_comm_set_rss_indir_table(struct hnae3_ae_dev *ae_dev, 118 struct hclge_comm_hw *hw, const u16 *indir); 119 int hclge_comm_rss_init_cfg(struct hnae3_handle *nic, 120 struct hnae3_ae_dev *ae_dev, 121 struct hclge_comm_rss_cfg *rss_cfg); 122 void hclge_comm_get_rss_tc_info(u16 rss_size, u8 hw_tc_map, u16 *tc_offset, 123 u16 *tc_valid, u16 *tc_size); 124 int hclge_comm_set_rss_tc_mode(struct hclge_comm_hw *hw, u16 *tc_offset, 125 u16 *tc_valid, u16 *tc_size); 126 int hclge_comm_set_rss_hash_key(struct hclge_comm_rss_cfg *rss_cfg, 127 struct hclge_comm_hw *hw, const u8 *key, 128 const u8 hfunc); 129 int hclge_comm_set_rss_tuple(struct hnae3_ae_dev *ae_dev, 130 struct hclge_comm_hw *hw, 131 struct hclge_comm_rss_cfg *rss_cfg, 132 struct ethtool_rxnfc *nfc); 133 #endif 134